Liquid-meter.



No. 818,566. PATENTED APR. 24, 1906. K. SGOTTI.

LIQUID METER.

APPLICATION FILED JUNE 26, 1903.

3 SHEETS-SHEET l.

No. 818,566. PATENTED APR. 24, 1906. K. SGOTTI. LIQUID METER. APPLICATION rum) JUNE as, 1903.

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No. 818,566. PATENTED APR. 24, 1906. K. SGOTTI.

LIQUID METER.

APPLICATION FILED JUNE 26, 1903..

3 SHEETS-SHEET 3.

I'IMLLLLLIIIIIII 1 I II llullllllllfl W I jfifii 5607.

UNITED STATES PAIFE NT OFFICE.

LIQUID- Specification of Letters Patent.

METER.

ratentea April 24, 1906.

Application filed June 26,1903. SerialN0.163,269.

To 1/, whom, it may concern.-

Be it known that l, KARL Scorrr, a subject of the Grand Duke of Hesse, residing at Frankfort-on-the-Main, Germany, have invented certain new and useful Improvements in Liquid-Heters, of which the following is a specification. 7

This invention has for its object an improved fluid-meter.

The invention is illustrated in the accom pa nying drawings, in which Figures 1 and 1 illustrate by plan and clevation one form of the invention. Figs. 2 and 2 illustrate by plan and section a modification having circuit-closing means. Figs. and 3 are like views of a further modification. Figs. 4 and 4 are like views of still another modification. Figs. 5 and 6 are elevations taken at right angles to each other, showing further modifications.

[n a circular groove (1', Fig. 1, a body b (for instance a ball) is freely movably arranged. The liquid passes through a tangential inletpassage 0 into the groove or channel a and leaves the same again through a dischargechannel (1, thus causing the whole of the liq uid contained in the channel to be rotated and carry the body I) with it. The movement of this body produced by'the flow of the liquid may be transmitted by electrical or mechanical means to an indicating mechanism.

in the case of electric transmission the closing and breaking of the circuit may be produced by the body running at a given place onto a circular wire e, fastened at c, Fig. 2, at an inclination to the track of the body I), and the elastic part fof the same depressing during a given time a tread by which at g in any suitable manner a circuit is closed. After the body I) has passed the place f the elas tic partfof the circular wire 0 again rises and breaks the circuit at 9.

Another method of closing and opening the circuit in electric transmission is shown in Fig. 3. This rests on the utilization of the great cohesion of mercury. Mercury contacts It '1' project into the running-groove a and are isolated from each other and from the easing. These contacts are so close together that as the body Z) passes over them it will be in contact with both simultaneously, and thus the circuit is closed.

Figv 4 shows as an example a form of con struction for mechanical transmission of the movement of the free body I) to a counting mechanism. A ball or sphere l), freely rolling in a groove (1, here at each revolution strikes once against a fly-wheel or wing-wheel lc, ro tating on I, and turns the same one division forward, which rotation is transmitted to a counting mechanism. The inlet and outlet of the liquid may take place at any suitable point, (above or beneath or at the side,) and several passages may also be arranged. The meter may also be protected against frost in the following manner: The casing with the channel (I, Fig. 1, consists of two parts or and n, which are held together by screws 0. Springs p of any suitable construction are located beneath these screws. Thesc springs under normal conditions press together the two parts of the casing and form a tight joint; but as soon as the water freezes in the channel a the two parts of the casing 'm and a separate in consequence of the expanding ice as the springs 1) yield to the strong pressure. \Vhen the ice melts again, these springs p draw the parts m and )1 again firmly together, so that a tight joint is insured.

1 is an electromagnet whose armature 2 is secured to the rod 3 passing through the electromagnets. The rod and armature-plate are raised from the magnets by the spring et. Thereby the lift is limited by the setscrew 5 and varied as needed by turning the same. On the upper end of the rod 3 a chain 6 is attached, which runs over adisk 7, of hard rubberorthe like, and is secured to a spring 8, the tension of which can be regulated by moving the pin 9). Connected to the disk 7 is the drum 10, on the extension 11 of which the hard-rubber disk is mounted. This extension is provided with a flange 12, over which the finger ltjournaled in a fork l3,engages. The slot of the finger is somewhat wider than the flange 12 of the extension 11; but the edges are obliquely placed, and the finger is always held in an oblique position by the spring 15, so that it prevents movement of the drum in one direction, since it lies against the fork 13 and only permits movement in the other direction. The rotation of the drum is transmitted by the gear 16 to the. spring number-disks 18, arranged in a casing 17, which disks are driven in the usual way by the gears 19. The current for the electromagnets goes from the battery 20 to the casing of the water-meter and is then led through an insulating-sleeve to the pin 21, which stands under the pressure of the spring f. By pressing down the pin by the rolling thereover of the ball the circuit is closed, which leaves the casing through the bindingscrew 22 and returns through thevelectrolnagnets 1 to the battery 20. l/Vhen the circuit is closed, the armature is attracted and the chain is thereby drawn, and thereby the numbering mechanism is set in motion. When the current is broken, the spring 4 raises the armature, and the chain, which is held taut by the spring 8, slides over the hardrubber roller, which, held by the finger 14, does not take part in the rotation. At each closing of the circuit a rotation of the numbering mechanism in one direction takes place, so that the number of rotations of the ball, and therewith the quantity of water, can be read off the numbering mechanism. Since the regulating-screw 5 permits wide variation in the lift, one size of indicating mechanism can be employed for all sizes of watermeters, it being then only necessary to change the position of the screw for each.

What I claim, and desire to secure by Letters Patent of the United States, is-

1. A liquidmeter consisting of a casing with an annular channel having entrance and exit passages tangentially arranged adjacent to each other, a body in said channel, said body being freely and continuously driven forwardly in said channel by the pressure of the water, and of a measuring mechanism which is operated by said body at each revo lution.

2. A liquid-meter consisting of a casing with an annular channel having entrance and exit openings tangentially arranged adjacent to each other, a body in said channel, said body being freely and continuously driven forward in the channel by the pressure of the water, and a measuring mechanism comprising a spring lying in the channel, which is pressed downwardly by the said moving body, a contact connected with the spring, a circuit controlled by the contact, and a registering mechanism in the circuit, substantially as described.

3. A fluid-meter comprising a casing having an endless raceway therein, an entrance to said raceway and an exit therefrom for the moving fluid, a body freely and continuously movable by the fluid current throughout said raceway, a movable circuit-closing device projecting in said raceway in the path of the movable body, a circuit, and an indicator in said circuit substantially as described.

In testimony whereof I have hereunto set my hand in the presence of two witnesses.

KARL SCOTTI.

Witnesses KARL GoLL, JEAN GRUND. 

